1390068

Information

• Patent Grant
• 1390068

• References
• Source

• Patent Number

  1,390,068

• Date Filed

  Not available

• Date Issued

  Tuesday, September 6, 1921
  103 years ago

• CPC

  • B61L29/282 - magnetic or inductive control by the vehicle

• US Classifications

  • 246 - Railway switches and signals